Hyundai · Known Issues

2023 Hyundai Elantra Problems: 3 Issues Every Owner Should Know

2023 model year · 456+ owner reports · Updated July 2026

According to Au7o's analysis of 456+ owner reports, the 2023 Hyundai Elantra has 3 documented known issues, with 2 rated critical. The most serious are Front Seat Belt Pretensioner May Explode and Project Metal Fragments (Recall 229) ($0-$0 repair) and Phantom / False Automatic Emergency Braking and Forward Collision Activation ($0-$350 repair). The most commonly reported issue is IVT/CVT Transmission Failure and Power Loss with 456 owner reports. DIY maintenance guides at au7o.io.

Frequently Asked Questions

What are the most common Hyundai Elantra problems?

According to Au7o's analysis of 456+ owner reports, the 2023 Hyundai Elantra has 3 documented issues. The most frequently reported are: Front Seat Belt Pretensioner May Explode and Project Metal Fragments (Recall 229), Phantom / False Automatic Emergency Braking and Forward Collision Activation, IVT/CVT Transmission Failure and Power Loss. Of these, 2 are rated critical and should be addressed promptly.

Is the Hyundai Elantra reliable?

The 2023 Hyundai Elantra has 3 known issues documented across 456+ owner reports. 2 issues are rated critical: Front Seat Belt Pretensioner May Explode and Project Metal Fragments (Recall 229) and Phantom / False Automatic Emergency Braking and Forward Collision Activation. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Hyundai Elantra problems?

Repair costs for known Hyundai Elantra issues range from $0 to $5,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Front Seat Belt Pretensioner May Explode and Project Metal Fragments (Recall 229), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2021-2023 Hyundai Elantra Front Seat Belt Pretensioner May Explode and Project Metal Fragments (Recall 229)?

The micro gas generator (MGG) inside the front driver and passenger seat belt pretensioners can deploy abnormally during a crash. Instead of simply tightening the belt, the pretensioner can rupture and propel metal fragments into the cabin, striking occupants. The defect is tied… Repairs typically run $0-$0. Severity: high.

What is the 2021-2024 Hyundai Elantra Phantom / False Automatic Emergency Braking and Forward Collision Activation?

The Forward Collision-Avoidance Assist (FCA) and Blind-Spot Collision-Avoidance systems can trigger hard automatic emergency braking when no real obstacle is present. Owners report sudden, unprompted braking at 40-65 mph on open road, plus false activation when a vehicle passes c… Repairs typically run $0-$350. Severity: high.

What is the 2019-2023 Hyundai Elantra IVT/CVT Transmission Failure and Power Loss?

The Smart Stream IVT (Intelligent Variable Transmission) in newer Elantras has experienced early failures, sometimes before reaching 20,000 miles. Issues include sudden power loss, check engine lights, and RPM fluctuations. Hyundai issued TSB 20-01-047H addressing transmission co… Repairs typically run $0-$5,500. Severity: medium.

2023 Hyundai Elantra Problems: 3 Issues Every Owner Should Know

All 3 Known Issues

2021-2023 Hyundai Elantra: Front Seat Belt Pretensioner May Explode and Project Metal Fragments (Recall 229)#

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2021-2024 Hyundai Elantra: Phantom / False Automatic Emergency Braking and Forward Collision Activation#

Common Symptoms

How to Fix

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2019-2023 Hyundai Elantra: IVT/CVT Transmission Failure and Power Loss#

Common Symptoms

How to Fix

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Other Hyundai Models

Frequently Asked Questions

What are the most common Hyundai Elantra problems?

Is the Hyundai Elantra reliable?

How much does it cost to fix common Hyundai Elantra problems?

What is the 2021-2023 Hyundai Elantra Front Seat Belt Pretensioner May Explode and Project Metal Fragments (Recall 229)?

What is the 2021-2024 Hyundai Elantra Phantom / False Automatic Emergency Braking and Forward Collision Activation?

What is the 2019-2023 Hyundai Elantra IVT/CVT Transmission Failure and Power Loss?